A spherical Boulder is 20 ft in diameter. Fine it’s volume. Use 3.14 for pi. Round to the nearest whole number

Step-by-step explanation:

diameter = radius * 2

20 = 10*2

radius = 2

Volume = radius^3 *4/3 *3.14

             = 33493 ft^3 when rounded  to the nearest whole number

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!